How do I display the full output that includes graphics?

asked 2011-03-30 20:59:24 +0200

Sammy Black
101 ●2 ●5 ●11

Background

I am working in the notebook GUI.

I have code that produces graphics (.png files) to display arrays with colors satisfying certain combinatorial criteria. When the output gets too long, Sage returns the message

WARNING: Output truncated!
full_output.txt

The .txt file contains some html code, but doesn't display in a web browser.

Question

How do I see my graphical arrays?

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Comments

It would be very helpful to have a minimal case that produces this. You can get it by having a loop like "for i in range(100000): print factorial(i)" but I haven't seen it in this context.

kcrisman ( 2011-03-30 23:40:08 +0200 )edit

This seems to be related: http://osdir.com/ml/sage-support/2009-10/msg01882.html

parzan ( 2011-04-02 19:25:46 +0200 )edit

By the way, wrapping the .txt file in standard HTML headers and <body> etc. then renaming that to html *might* work... just a random chance.

kcrisman ( 2011-04-02 23:37:13 +0200 )edit

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answered 2011-04-05 23:47:47 +0200

Jason Grout
3505 ●9 ●36 ●81

Try writing your output to an html file. Do something like:

f=open('myoutput.html','w')
f.write(some output)
f.write(some more output)
f.close()

That file should appear as a link in the output of the cell. If you click on the link, you should see your output as an html file.

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Comments

This could be helpful to have on the standard notebook help page as an FAQ or something.

kcrisman ( 2011-04-06 09:29:47 +0200 )edit

This is now http://trac.sagemath.org/sage_trac/ticket/11322 - see also http://groups.google.com/group/sage-support/browse_thread/thread/633966e14b9701c6

kcrisman ( 2011-05-10 15:12:00 +0200 )edit

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answered 2012-03-13 15:05:15 +0200

akm
51 ●1 ●4 ●4

I found this solves the problem: put this line in your notebook cell before you create output.

html('<!--notruncate-->')

Worked for me.

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This is very helpful! It can also be inserted in the definition of a function. A 2009 suggestion on the sage-support list was to change values of variables in the file devel/sage/sage/server/notebook/cell.py and rebuild SAGE, which isn't feasible in many cases, such as when using SAGE in a classroom where it's been installed on multiple machines. Since there are pedagogical scenarios where we'd like all of the output to display, may I suggest that this solution be mentioned in the SAGE reference manual? (Searching for "notruncate" in version 6.4.1 of the manual produces three hits, none quite containing this solution.)

gtmarks ( 2015-01-26 01:20:48 +0200 )edit

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